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Bolidophyceae
	Tetraparma pelagica
Scientific classification
Domain:	Eukaryota
Clade:	Diaphoretickes
Clade:	SAR
Clade:	Stramenopiles
Phylum:	Gyrista
Subphylum:	Ochrophytina
Infraphylum:	Diatomista
Class:	Bolidophyceae; L.Guillou & M.-J.Chrétiennot-Dinet 1999
Orders
	Bolidomonadales; Parmales;
Synonyms
	Parmophyceae van den Hoek et al. 1995 nom. nud.;

Bolidophyceae is a class of photosynthetic heterokont picophytoplankton, and consist of less than 20 known species.^[1]^[2]^[3] They are distinguished by the angle of flagellar insertion and swimming patterns as well as recent molecular analyses.^[4] Bolidophyceae is the sister taxon to the diatoms (Bacillariophyceae). They lack the characteristic theca of the diatoms,^[5] and have been proposed as an intermediate group between the diatoms and all other heterokonts.^[4]^[6]

Taxonomy

Class Bolidophyceae Guillou & Chretiennot-Dinet 1999^[7]
- Order Parmales Booth & Marchant 1987
  - Family Pentalaminaceae Marchant 1987
    - Genus Pentalamina Marchant 1987
      - Species Pentalamina corona Marchant 1987
  - Family Triparmaceae Booth & Marchant 1988
    - Genus Tetraparma Booth 1987
      - Species T. catinifera
      - Species T. gracilis
      - Species T. insecta Bravo-Sierra & Hernández-Becerril 2003
      - Species T. pelagica Booth & Marchant 1987
      - Species T. silverae Fujita & Jordan 2017
      - Species T. trullifera Fujita & Jordan 2017
    - Genus Triparma Booth & Marchant 1987
      - Species T. columacea Booth 1987
      - Species T. eleuthera Ichinomiya & Lopes dos Santos 2016
      - Species T. laevis Booth 1987
      - Species T. mediterranea (Guillou & Chrétiennot-Dinet) Ichinomiya & Lopes dos Santos 2016
      - Species T. pacifica (Guillou & Chrétiennot-Dinet) Ichinomiya & Lopes dos Santos 2016
      - Species T. retinervis Booth 1987
      - Species T. strigata Booth 1987
      - Species T. verrucosa Booth 1987

Gallery

In the gallery, all scale bar represent 1 μm.

The silicified Tetraparma pelagica
The silicified Triparma laevis f. inornata
The silicified Pentalamina corona
The flagellated Triparma eleuthera

References

^ Ruggiero; et al. (2015), "Higher Level Classification of All Living Organisms", PLOS ONE, 10 (4): e0119248, Bibcode:2015PLoSO..1019248R, doi:10.1371/journal.pone.0119248, PMC 4418965, PMID 25923521
^ Silar, Philippe (2016), "Protistes Eucaryotes: Origine, Evolution et Biologie des Microbes Eucaryotes", HAL Archives-ouvertes: 1–462
^ Alverson Lab, University of Arkansas | Projects - Diatoms of North America
^ ^a ^b Guillou, Laure; Chrétiennot-Dinet, Marie-Josèphe; Medlin, Linda K.; Claustre, Hervé; Goër, Susan Loiseaux-de; Vaulot, Daniel (April 1999). "Bolidomonas: A New Genus with Two Species Belonging to a New Algal Class, the Bolidophyceae (Heterokonta)" (PDF). Journal of Phycology. 35 (2): 368–381. doi:10.1046/j.1529-8817.1999.3520368.x. S2CID 13704085.
^ Daugbjerg, N.; Guillou, L. (March 2001). "Phylogenetic analyses of Bolidophyceae (Heterokontophyta) using gene sequences support their sister group relationship to diatoms". Phycologia. 40 (2): 153–161. doi:10.2216/i0031-8884-40-2-153.1. S2CID 84171410.
^ Ichinomiya, Mutsuo; dos Santos, Adriana Lopes; Gourvil, Priscillia; Yoshikawa, Shinya; Kamiya, Mitsunobu; Ohki, Kaori; Audic, Stéphane; de Vargas, Colomban; Noël, Mary-Hélène; Vaulot, Daniel; Kuwata, Akira (22 March 2016). "Diversity and oceanic distribution of the Parmales (Bolidophyceae), a picoplanktonic group closely related to diatoms". The ISME Journal. 10 (10): 2419–2434. doi:10.1038/ismej.2016.38. PMC 5030691. PMID 27003244. Retrieved 6 April 2018.
^ M.D. Guiry (2016), AlgaeBase, World-wide electronic publication, National University of Ireland, Galway, retrieved 25 October 2016